Home / 104,069.50-143,615.64-56,322.84

Finding the Fourth Proportional to 104,069.50, 143,615.64 and 56,322.84

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Solution

The fourth proportional to 104,069.50, 143,615.64 and 56,322.84 is: 77,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,069.50 : 143,615.64 = 56,322.84 : x
  2. Step 2: Convert to fraction form
    104,069.50/143,615.64 = 56,322.84/x
  3. Step 3: Cross multiply
    104,069.50x = 143,615.64 × 56,322.84
  4. Step 4: Simplify right side
    104,069.50x = 8,088,839,995.14
  5. Step 5: Solve for x
    x = 8,088,839,995.14/104,069.50
  6. Step 6: Final answer
    x = 77,725.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.